<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<%@ page import="com.google.appengine.api.users.User" %>
<%@ page import="com.google.appengine.api.users.UserService" %>
<%@ page import="com.google.appengine.api.users.UserServiceFactory" %>

<%
	UserService userService = UserServiceFactory.getUserService();
	User user = userService.getCurrentUser();
	if (user != null) { %>
		0
<%	} else { %>
		-1	
<%	}
	
%>